Thanks to Oliver for replying to my message. In the end I upgraded to the potato version of postgresql and after the installation, postmaster started without a problem. I still do not understand what caused the problem on Sunday.
Johann. -- J.H. Spies, Hugenotestraat 29, Posbus 80, Franschhoek, 7690, South Africa Tel/Faks 021-876-2337 Sel/Cell 082 898 1528(Johann) 082 255 2388(Hester) "There is therefore now no condemnation to them which are in Christ Jesus, who walk not after the flesh, but after the Spirit." Romans 8:1